<template>
    <div class="app-container">
        <!-- 顶部header区域 -->
        <mt-header fixed title="Vue商城项目">
            <span v-show="flag" @click="gobac" slot="left">
                <mt-button icon="back">返回</mt-button>
            </span>
            <!-- <mt-button icon="more" slot="right"></mt-button> -->
        </mt-header>

        <!-- 中间的路由router-view区域 -->
        <transition>
            <router-view></router-view>
        </transition>

        <!-- 底部tabbar区域 -->
        <nav class="mui-bar mui-bar-tab">
			<router-link class="mui-tab-item-llb" to="/home">
				<span class="mui-icon mui-icon-home"></span>
				<span class="mui-tab-label">首页</span>
			</router-link>
			<router-link class="mui-tab-item-llb" to="/member">
				<span class="mui-icon mui-icon-contact"></span>
				<span class="mui-tab-label">会员</span>
			</router-link>
			<router-link class="mui-tab-item-llb" to="/shopcar">
				<span class="mui-icon mui-icon-extra mui-icon-extra-cart">
                    <span class="mui-badge" id="badge">{{$store.getters.getAllCount}}</span></span>
				<span class="mui-tab-label">购物车</span>
			</router-link>
			<router-link class="mui-tab-item-llb" to="/search">
				<span class="mui-icon mui-icon-search"></span>
				<span class="mui-tab-label">搜索</span>
			</router-link>
		</nav>
    </div>
</template>

<script>
    export default{
        data(){
            return {
                flag:false
            }
        },
        created(){
            this.flag = (this.$route.path === "/home")?false:true;
        },
        methods:{
            gobac(){
                this.$router.go(-1);
            }
        },
        watch:{
            "$route.path":function(newVal,oldVau){
                if(newVal === "/home"){
                    this.flag = false;
                }else{
                    this.flag = true;
                }
            }
        }
    }
</script>

<style lang="scss" scoped>
    .mint-header{
        z-index: 99;
        text-align: center;
    }
    .app-container{
        padding-top:40px;
        padding-bottom:50px;
        overflow-x:hidden;
    }
    .v-enter{
        opacity: 0;
        transform:translateX(100%);
    }
    .v-leave-to{
        opacity: 0;
        transform: translateX(-100%);
        position: absolute;
    }
    .v-enter-active,
    .v-leave-active{
        transition:all 0.5s ease;
    }

    // 该类名，解决 tabbar 点击无法切换的问题
.mui-bar-tab .mui-tab-item-llb.mui-active {
    color: #007aff;
}

.mui-bar-tab .mui-tab-item-llb {
    display: table-cell;
    overflow: hidden;
    width: 1%;
    height: 50px;
    text-align: center;
    vertical-align: middle;
    white-space: nowrap;
    text-overflow: ellipsis;
    color: #929292;
}

.mui-bar-tab .mui-tab-item-llb .mui-icon {
    top: 3px;
    width: 24px;
    height: 24px;
    padding-top: 0;
    padding-bottom: 0;
}

.mui-bar-tab .mui-tab-item-llb .mui-icon~.mui-tab-label {
    font-size: 11px;
    display: block;
    overflow: hidden;
    text-overflow: ellipsis;
}
</style>